AUTHOR=Chen Qiaoer , Wu Weiqi , Wang Lu , Huang Honghong , Wang Lingxing TITLE=Symptomatic neurosyphilis in HIV-negative patients: a retrospective cohort study JOURNAL=Frontiers in Public Health VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2025.1505818 DOI=10.3389/fpubh.2025.1505818 ISSN=2296-2565